参数资料
型号: LT3050EDDB-3.3#TRPBF
厂商: Linear Technology
文件页数: 7/26页
文件大小: 0K
描述: IC REG LDO 3.3V .1A 12-DFN
标准包装: 2,500
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 45 V
电压 - 压降(标准): 0.34V @ 100mA
稳压器数量: 1
电流 - 输出: 100mA
电流 - 限制(最小): 110mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-DFN-EP(3x2)
包装: 带卷 (TR)
LT3050 Series
TYPICAL PERFORMANCE CHARACTERISTICS
T J = 25°C, unless otherwise noted.
GND Pin Current LT3050-5
GND Pin Current vs I LOAD
SHDN Pin Threshold
2.50
2.25
5.0
V IN = 5.6V
4.5 V OUT = 5V
1.5
1.4
1.3
I L = 1mA
2.00
1.75
1.50
R L = 50Ω, I L = 100mA
4.0
3.5
3.0
1.2
1.1
1.0
0.9
1.25
1.00
0.75
0.50
0.25
R L = 100Ω, I L = 50mA
R L = 5k, I L = 1mA
R L = 500Ω, I L = 10mA
2.5
2.0
1.5
1.0
0.5
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
ON TO OFF
OFF TO ON
0
0
1
2
3 4 5 6 7 8 9 10 11 12
0
0 10 20 30 40 50 60 70 80 90 100
0
–75 –50 –25 0
25 50 75 100 125 150 175
INPUT VOLTAGE (V)
3050 G07
I LOAD (mA)
3050 G08
TEMPERATURE (°C)
3050 G09
SHDN Pin Input Current
SHDN Pin Input Current
ADJ Pin Bias Current
3.0
2.5
2.0
1.5
1.0
0.5
V SHDN = 45V
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
45
40
35
30
25
20
15
10
5
0
–75 –50 –25 0 25 50 75 100 125 150 175
0
0
10
20 30 40
50
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
Internal Current Limit
3050 G10
SHDN PIN VOLTAGE (V)
Internal Current Limit
3050 G11
TEMPERATURE (°C)
Internal Current Limit
vs Output Voltage
3050 G12
350
300
V IN = 12V
V OUT = 0V
250
225
225
200
V IN – V OUT(NOMINAL) = 1V
200
175
250
200
150
175
150
125
100
150
125
100
100
50
0
–75 –50 –25 0 25 50 75 100 125 150 175
75
50
25
0
0
5
T J = 125°C
T J = 25°C CURRENT LIMIT
T J = –40°C AT FAULT
T J = –55°C THRESHOLD
10 15 20 25 30 35 40
45
75
50
25
0
0
5
T J = 125°C
T J = 25°C CURRENT LIMIT
T J = –55°C THRESHOLD
10 15 20 25 30 35 40
T J = –40°C AT FAULT
45
TEMPERATURE (°C)
3050 G13
INPUT/OUTPUT DIFFERENTIAL (V)
3050 G14
OUTPUT VOLTAGE (V)
3050 G15
3050fa
7
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